List of Class 2 Modifications Made

to Waste Isolation Pilot Plant

Hazardous Waste Facility Permit

 

August 8, 2000

 

Following is a list of Class 2 modifications made to the Waste Isolation Pilot Plant Hazardous Waste Facility Permit during August 2000 by the Hazardous Waste Bureau (HWB) of the New Mexico Environment Department (NMED).  In the permit, modifications are indicated by striking out items to be deleted and shading items to be added.  This list will help the reader rapidly identify the current modifications and when they were made. Page and paragraph/line numbers refer to the redline/strikeout version of the permit as modified.

 

Module           Page(s)            Section                        Paragraph/Line                      Description of Modification

 

II                      II-5                  II.C.3.i                                                             Change: Headspace gas sampling and analysis waste acceptance criteria to read “any waste container which has not undergone headspace gas sampling and analysis to determine concentration of VOCs that does not have VOC concentration values reported for the headspace is not acceptable at WIPP.”

 

V                     V-3                  V.D                                                                  Delete: Reference to gross alpha and gross beta from the table of parameters or constituents of the Detection Monitoring Program.

 

V                     V-7                  V.J.2.c                                                             Change: Section to read: “Ground-water flow and radionuclide sampling results - the Permittees shall submit to the Secretary an evaluation of the ground-water flow data specified in Permit Condition V.H and the results of radionuclide-specific analysis of groundwaters sampled from the DMWs in the Annual Site Environmental Report by October 1 of each calendar year.

 

Attachment     Page(s)            Section                        Paragraph/Line                      Description of Modification

 

B                      B-6                  B-1c                            32+                              Change: Bullet to read “any waste container which has not undergone headspace gas sampling and analysis to determine concentration of VOCs that does not have VOC concentration values reported for the headspaceMarch 30, 2000, Item 2.

 

B                      B-10                B-3a(1)                        14-15                           Add:    “…container or statistically selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in this section

 

B                      B-10, 11          B-3a(1)(i)                     26+                              Add:    New section dealing with “Reduced Sampling Requirements for Homogeneous Solid or Soil/Gravel Waste Streams with no VOC-Related Hazardous Waste Codes

 

B                      B-11                B-3a(1)(ii)                    4+                                Add:    New section dealing with “Reduced Sampling Requirements for Thermally Treated Waste Streams

 

B                      B-14                B-3d                            8+                                Add:    “… or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Section B-3a(1)…”

 

B                      B-15                B-3d(1)                        30+                              Add:    “…or newly generated waste containers randomly selected from waste streams that meet the conditions for reduced headspace gas sampling listed in Section B-3a(1)

 

B                      B-15                B-3d(1)                        37                                Add:    “…as specified in Permit Attachment B4

 

B                      B-18                B-3d(2)                        17+                              Add:    “…or retrievably stored containers randomly selected from waste streams that meet the conditions for reduced headspace gas sampling listed in Section B-3a(1)

 

B                      B-45, 47          Table B-6                                                         Add:    “… or statistical sampling a,b

 

B                      B-48                Table B-6 footnote       9+                                Change: insert footnote “a Applies to certain waste streams that meet the conditions in Section B-3a(1)” and adjust subsequent footnote letters.

 

B                      B-56, 57          Figures B-2, B-3                                              Delete: “• 100% of containers” from the box which contains “Conduct HSG analysis”.

 

B1                    B1-1                B1-1a                          13+                              Change: “…after packaging and all. All waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Permit Attachment B, Section B-3a(1),…”

 

B1                    B1-2                B1-1a                          19                                Add:    “… from which a headspace gas sample is collected…”

 

B1                    B1-15              B1-2a(2)                      16+                              Change:These samples may be collected by collecting a single sample from the representative subsection of the core, or t Three sub-samples will may be collected …”

 

B1                    B1-15              B1-2a(2)                      20+                              Add:    If a single sample is used, the representative subsection is chosen by randomly selecting a location along the portion of the core (i.e. core length). If the three sub-sample method is used, the sampling locations shall be randomly selectedApril 20, 2000, Item 1……”

 

B2                    B2-1                B2-1                            22, 23                          Change: “…rate by characterizing a waste stream or waste stream lot of no less than fifty containers in a single Summary Category Group …”

 

B2                    B2-1, 2            B2-1                            26+                              Change: Each occurrence of “waste stream” in the paragraph to “Summary Category Group” as follows: “The site-specific miscertification rate shall be applied initially to each waste stream Summary Category Group to determine the number of containers in that Summary Category Group requiring visual examination, as specified in Table B2-1. However, a waste stream Summary Category Group-specific miscertification rate shall be determined when either six months have passed since radiographic characterization commenced on a given waste stream Summary Category Group, or at least 50% of a given waste stream Summary Category Group has undergone radiographic characterization, whichever occurs first. The waste stream Summary Category Group shall then be subject to the visual examination requirements of this reevaluated waste stream Summary Category Group-specific miscertification rate to ensure that the entire waste stream Summary Category Group is appropriately characterized. Table B2-1 provides the number of waste containers per waste stream Summary Category Group that shall be visually examined for various miscertification rates and waste container population sizes using a hypergeometric sampling approach. Sites shall use a miscertification rate of 1% for any waste stream Summary Category Group-specific miscertification rate calculated to be less than 1%.”April 20, 2000, Item 2.

 

B2                    B2-2                B2-1                            7, 8                              Change: Each occurrence of “waste stream” in the paragraph to “Summary Category Group” as follows: “…all historic waste stream Summary Category Group-specific miscertification rates. Each waste stream Summary Category Group-specific miscertification rate …”

 

B2                    B2-3                B2-2, 2a                      21+                              Change: Titles of Section headings to read “B2-2 Approach for Statistically Selecting Retrievably Stored Waste Containers for Totals Analysis Statistical Sampling

 

                                                                                                                                    B2-2a Statistical Selection of Containers for Totals AnalysisMarch 30, 2000, Item 2.

 

B2                    B2-6+              B2-2b                          13+                              Add:    New Section “B2-2b Statistical Selection of Containers for Headspace Gas Analysis”; additional text as indicated on redline strikeout version.

 

B2                    B2-7                B2-3, 3a                      14+                              Change: Titles of Section headings to read “B2-3 Upper Confidence Limits for Statistical Sampling

 

                                                                                                                                    B2-3a Upper Confidence Limit for Statistical Solid SamplingMarch 30, 2000, Item 2.

 

B2                    B2-8                B2-3b                          6+                                Add:    New Section “B2-3b Upper Confidence Limit for Statistical Headspace Gas Sampling”; additional text as indicated on redline strikeout version.

 

B2                    B2-14              Table B2-1                                                       Change: Column heading to read “per Waste Stream Summary Category Group

 

B3                    B3-6                B3-2                            23+                              Add:    “… waste or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Permit Attachment B, Section B-3a(1)March 30, 2000, Item 2.

 

B3                    B3-42              Table B3-4                                                       Add:    To footnote c: “If analyzed as a semi-volatile compound, the QAOs of Table B3-6 apply.March 30, 2000, Item 1 (Class 2 modification)

 

 

B3                    B3-45              Table B3-6                                                       Change: Accuracy values for Cresols and Pyridine to read “60-150 25-115

 

B4                    B4-11              B4-3d                          12+                              Add:    “… waste or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Permit Attachment B, Section B-3a(1), to be sent to the WIPP facility.

 

B6                    B6-14              Table B6-1                                                       Change: Last bullet to read “any waste container which has not undergone headspace gas sampling and analysis to determine concentration of VOCs that does not have VOC concentration values reported for the headspace

 

B6                    B6-18              Table B6-1                                                       Add:    To second item under bullet in first box “…analysis for all waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Attachment B, Section B-3a(1)

 

B6                    B6-18              Table B6-1                                                       Add:    To second item under bullet in second box “…analysis for all waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Attachment B, Section B-3a(1)

 

B6                    B6-19              Table B6-1                                                       Add:    To second item under bullet “…analysis for all waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Attachment B, Section B-3a(1)

 

B6                    B6-42              Table B6-2                                                       Change: The second box under “Sample Collection” to read “…and that the sample locations are documented? These samples may be collected by choosing a single sample from the representative subsection of the core, or three equal length VOC sample locations on the core are selected randomly along the long axis of the core to form a single 15-gram composite sample. and that the sample locations are documented?

 

B6                    B6-80              Table B6-4                                                       Add:    To first box under Headspace Gas Sampling Frequency “…waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Section B-3a(1), ...”

 

B6                    B6-80              Table B6-4                                                       Add:    To second box under Headspace Gas Sampling Frequency “…waste containers or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Attachment B, Section B-3a(1), ...”

 

B6                    B6-99              Table B6-4                                                       Add:    To first box under Quality Assurance Objectives “…all drums or randomly selected containers from waste streams that meet the conditions for reduced headspace gas sampling listed in Attachment B, Section B-3a(1)?”

 

B6                    B6-116            Table B6-6                                                       Change: The third box under Confirmation of Radiographic Results to read “…containers for each waste stream Summary Category Group...”

 

B6                    B6-116            Table B6-6                                                       Change: The fifth box under Confirmation of Radiographic Results to read “…initially to each waste stream Summary Category Group? Is a waste stream Summary Category Group-specific miscertification rate determined after 6 months or 50% of the waste stream Summary Category Group has undergone radiographic characterization? Is the entire waste stream Summary Category Group subject to the reevaluated waste stream Summary Category Group-specific miscertification rate?”

 

B6                    B6-117            Table B6-6                                                       Change: The first box to read “…of all historic waste stream Summary Category Group-specific miscertification rates? Do procedures ensure that sites use a miscertification rate of 1% for any site-specific or waste stream Summary Category Group-specific...”

 

B6                    B6-117            Table B6-6                                                       Change: The second box to read “…of waste containers per waste stream Summary Category Group undergoing characterization. Do procedures ensure that the annual number of waste containers per waste stream Summary Category Group undergoing characterization…”